SLVSGF4C
June 2022 – June 2026
TPS1641
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
4
Device Comparison Table
5
Pin Configuration and Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD Ratings
6.3
Recommended Operating Conditions
6.4
Thermal Information
6.5
Electrical Characteristics
6.6
Timing Requirements
6.7
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Enable and Shutdown Input (EN/SHDN)
7.3.2
Overvoltage Protection (OVP)
7.3.3
Output Slew Rate and Inrush Current Control (dVdt)
7.3.4
Active Current Limiting (ILIM) With the TPS16412, TPS16413, TPS16416, and TPS16417
7.3.5
Active Power Limiting (PLIM) With the TPS16410, TPS16411, TPS16414, and TPS16415
7.3.5.1
Internal Current Limit for the TPS16410 and TPS16411
7.3.6
Overcurrent Protection (IOCP) and Blanking Time (IDLY or PDLY) for Transient Loads
7.3.7
Fast-Trip and Short-Circuit Protection
7.3.8
Analog Load Current Monitor (IMON) on the IOCP Pin
7.3.9
IN to OUT Short Detection (TPS16410, TPS16411, TPS16412, and TPS16413)
7.3.10
Thermal Shutdown and Overtemperature Protection
7.3.11
Fault Response and Indication (FLT)
7.4
Device Functional Modes
8
Application and Implementation
8.1
Application Information
8.2
Typical Application: 15W Power Limiting for Low Power Circuits (LPCs)
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.2.1
Setting Overvoltage Setpoints
8.2.2.2
Setting the Output Overcurrent Setpoint (IOCP)
8.2.2.3
Setting the Output Power Limit
8.2.2.4
Monitoring the Output Current
8.2.2.5
Limiting the Inrush Current and Setting the Output Slew Rate
8.2.3
Application Curves
8.3
System Examples
8.3.1
Accurate Power or Current Limiting at the Output of DC/DC or Flyback Converter
8.4
Best Design Practices
8.5
Power Supply Recommendations
8.5.1
Transient Protection
8.6
Layout
8.6.1
Layout Guidelines
8.6.2
Layout Example
9
Device and Documentation Support
9.1
Receiving Notification of Documentation Updates
9.2
Support Resources
9.3
Trademarks
9.4
Electrostatic Discharge Caution
9.5
Glossary
10
Revision History
11
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
DRC|10
MPDS117L
Thermal pad, mechanical data (Package|Pins)
DRC|10
QFND013N
Orderable Information
slvsgf4c_oa
slvsgf4c_pm
Data Sheet
TPS1641x 40V, 1.8A Power and Current Limiting eFuse With IN to OUT Short Detection